1 files changed, 8 insertions, 2 deletions

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index a3cc37c0c85e..3675c6004f2a 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -1000,7 +1000,7 @@ EXPORT_SYMBOL_GPL(irq_set_chip_and_handler_name);
 
 void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
 {
-        unsigned long flags;
+        unsigned long flags, trigger, tmp;
         struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0);
 
         if (!desc)
@@ -1014,6 +1014,8 @@ void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
 
         irq_settings_clr_and_set(desc, clr, set);
 
+        trigger = irqd_get_trigger_type(&desc->irq_data);
+
         irqd_clear(&desc->irq_data, IRQD_NO_BALANCING | IRQD_PER_CPU |
                    IRQD_TRIGGER_MASK | IRQD_LEVEL | IRQD_MOVE_PCNTXT);
         if (irq_settings_has_no_balance_set(desc))
@@ -1025,7 +1027,11 @@ void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
         if (irq_settings_is_level(desc))
                 irqd_set(&desc->irq_data, IRQD_LEVEL);
 
-        irqd_set(&desc->irq_data, irq_settings_get_trigger_mask(desc));
+        tmp = irq_settings_get_trigger_mask(desc);
+        if (tmp != IRQ_TYPE_NONE)
+                trigger = tmp;
+
+        irqd_set(&desc->irq_data, trigger);
 
         irq_put_desc_unlock(desc, flags);
 }